regularize options which control size/speed trade

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/libarchive/bz/bzlib_private.h b/archival/libarchive/bz/bzlib_private.h
index 6430ce4..43e674b 100644
--- a/archival/libarchive/bz/bzlib_private.h
+++ b/archival/libarchive/bz/bzlib_private.h
@@ -183,7 +183,7 @@
 	/* stack-saving measures: these can be local, but they are too big */
 	int32_t  sendMTFValues__code [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
 	int32_t  sendMTFValues__rfreq[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
-#if CONFIG_BZIP2_FEATURE_SPEED >= 5
+#if CONFIG_BZIP2_FAST >= 5
 	/* second dimension: only 3 needed; 4 makes index calculations faster */
 	uint32_t sendMTFValues__len_pack[BZ_MAX_ALPHA_SIZE][4];
 #endif